bfspeed.c

/* crypto/bf/bfspeed.c *//* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] *//* 11-Sep-92 Andrew Daviel Support for Silicon Graphics IRIX added *//* 06-Apr-92 Luke Brennan Support for VMS and add extra signal calls */#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX)#define TIMES#endif#include <stdio.h>#include <openssl/e_os2.h>#include OPENSSL_UNISTD_IOOPENSSL_DECLARE_EXIT
#ifndef OPENSSL_SYS_NETWARE#include <signal.h>#endif#ifndef _IRIX#include <time.h>#endif#ifdef TIMES#include <sys/types.h>#include <sys/times.h>#endif/* Depending on the VMS version, the tms structure is perhaps defined. The __TMS macro will show if it was. If it wasn't defined, we should undefine TIMES, since that tells the rest of the program how things should be handled. -- Richard Levitte */#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS)#undef TIMES#endif#ifndef TIMES#include <sys/timeb.h>#endif#if defined(sun) || defined(__ultrix)#define _POSIX_SOURCE#include <limits.h>#include <sys/param.h>#endif#include <openssl/blowfish.h>/* The following if from times(3) man page. It may need to be changed */#ifndef HZ#ifndef CLK_TCK#define HZ 100.0#else /* CLK_TCK */#define HZ ((double)CLK_TCK)#endif#endif#define BUFSIZE ((long)1024)long run=0;
double Time_F(int s);
#ifdef SIGALRM#if defined(__STDC__) || defined(sgi) || defined(_AIX)#define SIGRETTYPE void#else#define SIGRETTYPE int#endif
SIGRETTYPE sig_done(int sig);
SIGRETTYPE sig_done(int sig)
{
signal(SIGALRM,sig_done);
run=0;
#ifdef LINT sig=sig;
#endif }
#endif#define START 0#define STOP 1double Time_F(int s)
{
double ret;
#ifdef TIMESstaticstruct tms tstart,tend;
if (s == START)
{
times(&tstart);
return(0);
}
else
{
times(&tend);
ret=((double)(tend.tms_utime-tstart.tms_utime))/HZ;
return((ret == 0.0)?1e-6:ret);
}
#else /* !times() */staticstruct timeb tstart,tend;
long i;
if (s == START)
{
ftime(&tstart);
return(0);
}
else
{
ftime(&tend);
i=(long)tend.millitm-(long)tstart.millitm;
ret=((double)(tend.time-tstart.time))+((double)i)/1e3;
return((ret == 0.0)?1e-6:ret);
}
#endif }
int main(int argc, char **argv)
{
long count;
staticunsignedchar buf[BUFSIZE];
staticunsignedchar key[] ={
0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,
0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10,
};
BF_KEY sch;
double a,b,c,d;
#ifndef SIGALRMlong ca,cb,cc;
#endif#ifndef TIMES printf("To get the most accurate results, try to run this\n");
printf("program when this computer is idle.\n");
#endif#ifndef SIGALRM printf("First we calculate the approximate speed ...\n");
BF_set_key(&sch,16,key);
count=10;
do {
long i;
BF_LONG data[2];
count*=2;
Time_F(START);
for (i=count; i; i--)
BF_encrypt(data,&sch);
d=Time_F(STOP);
} while (d < 3.0);
ca=count/512;
cb=count;
cc=count*8/BUFSIZE+1;
printf("Doing BF_set_key %ld times\n",ca);
#define COND(d) (count != (d))#define COUNT(d) (d)#else#define COND(c) (run)#define COUNT(d) (count) signal(SIGALRM,sig_done);
printf("Doing BF_set_key for 10 seconds\n");
alarm(10);
#endif
Time_F(START);
for (count=0,run=1; COND(ca); count+=4)
{
BF_set_key(&sch,16,key);
BF_set_key(&sch,16,key);
BF_set_key(&sch,16,key);
BF_set_key(&sch,16,key);
}
d=Time_F(STOP);
printf("%ld BF_set_key's in %.2f seconds\n",count,d);
a=((double)COUNT(ca))/d;
#ifdef SIGALRM printf("Doing BF_encrypt's for 10 seconds\n");
alarm(10);
#else printf("Doing BF_encrypt %ld times\n",cb);
#endif Time_F(START);
for (count=0,run=1; COND(cb); count+=4)
{
BF_LONG data[2];
BF_encrypt(data,&sch);
BF_encrypt(data,&sch);
BF_encrypt(data,&sch);
BF_encrypt(data,&sch);
}
d=Time_F(STOP);
printf("%ld BF_encrypt's in %.2f second\n",count,d);
b=((double)COUNT(cb)*8)/d;
#ifdef SIGALRM printf("Doing BF_cbc_encrypt on %ld byte blocks for 10 seconds\n",
BUFSIZE);
alarm(10);
#else printf("Doing BF_cbc_encrypt %ld times on %ld byte blocks\n",cc,
BUFSIZE);
#endif Time_F(START);
for (count=0,run=1; COND(cc); count++)
BF_cbc_encrypt(buf,buf,BUFSIZE,&sch,
&(key[0]),BF_ENCRYPT);
d=Time_F(STOP);
printf("%ld BF_cbc_encrypt's of %ld byte blocks in %.2f second\n",
count,BUFSIZE,d);
c=((double)COUNT(cc)*BUFSIZE)/d;
printf("Blowfish set_key per sec = %12.3f (%9.3fuS)\n",a,1.0e6/a);
printf("Blowfish raw ecb bytes per sec = %12.3f (%9.3fuS)\n",b,8.0e6/b);
printf("Blowfish cbc bytes per sec = %12.3f (%9.3fuS)\n",c,8.0e6/c);
exit(0);
#if defined(LINT) || defined(OPENSSL_SYS_MSDOS)return(0);
#endif }